July is one of the cooler months of the year in Wallaroo, with average highs near 14.7°C and lows around 9.4°C (mean 12.1°C). It is a relatively wet time of year, averaging 42 mm of rainfall and 77% relative humidity across the period.
July is one of the cooler months of the year in Wallaroo. Across 45 years of records, the warmest Julys in Wallaroo were 1988 and 2017 — when the month averaged 12.9°C — while the coldest was 1982 at 10.8°C. Typical July days reach 14.7°C with nights near 9.4°C. The long-term July temperature trend is broadly flat.
July is a relatively wet time of year in Wallaroo, averaging 42 mm of rainfall. The wettest July on record was 1996 with 75 mm, while the driest was 2020 at 12 mm.
Relative humidity in Wallaroo during July averages 77%. The most humid July was 2013 at 80%, and the least humid was 2018 at 72%.
July receives about 2.8 kWh/m²/day of solar energy in Wallaroo. The sunniest July was 1994 at 3.2 kWh/m²/day, and the cloudiest was 1984 at 2.1.
Average wind speed in Wallaroo during July is 4.9 m/s. The windiest July was 1995 at 5.9 m/s, while the calmest were 2001 and 2020 at 3.7 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 11.8°C | 12.1°C | 12.2°C | 12.2°C | 12.2°C | +0.4°C |
| Avg High | 14.3°C | 14.7°C | 14.9°C | 14.9°C | 14.9°C | +0.6°C |
| Avg Low | 9.2°C | 9.6°C | 9.5°C | 9.6°C | 9.4°C | +0.2°C |
| Avg Rain | 49 mm | 45 mm | 40 mm | 40 mm | 32 mm | -17 mm |
July temperatures in Wallaroo have risen by about 0.6°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 4°C (1982) to a record high of 21°C (1985).
Rainfall in July is a relatively wet time of year, averaging 42 mm, with a wettest year of 75 mm.
A quieter season to visit Wallaroo
If your dates are flexible, the more temperate months of March and January tend to be the most comfortable for visiting Wallaroo. That said, July — with days averaging 14.7°C and nights around 9.4°C (mean 12.1°C) and moderate rainfall (42 mm) — can still be rewarding for travellers who don't mind the cooler conditions, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 14.5°C | 12.2°C | 9.8°C | 17.2°C | 7.3°C | 54 mm | 74% | 5.4 m/s | 2.7 |
| 2024 | 15.2°C | 12.3°C | 9.4°C | 19.9°C | 5.8°C | 31 mm | 74% | 5.1 m/s | 3 |
| 2023 | 15.4°C | 12.5°C | 9.5°C | 19.6°C | 6.0°C | 16 mm | 78% | 4.5 m/s | 2.9 |
| 2022 | 14.6°C | 11.9°C | 9.2°C | 19.1°C | 5.6°C | 15 mm | 76% | 4.3 m/s | 2.7 |
| 2021 | 14.9°C | 12.2°C | 9.5°C | 19.7°C | 7.7°C | 61 mm | 77% | 5.7 m/s | 2.9 |
| 2020 | 14.8°C | 11.9°C | 8.9°C | 19.4°C | 7.1°C | 12 mm | 79% | 3.7 m/s | 3 |
| 2019 | 15.7°C | 12.8°C | 9.9°C | 19.5°C | 6.9°C | 26 mm | 79% | 4.4 m/s | 2.9 |
| 2018 | 15.5°C | 12.7°C | 9.8°C | 18.6°C | 7.2°C | 31 mm | 72% | 5.3 m/s | 2.9 |
| 2017 | 15.7°C | 12.9°C | 10.2°C | 19.9°C | 8.1°C | 42 mm | 74% | 5.4 m/s | 2.8 |
| 2016 | 14.5°C | 12.0°C | 9.4°C | 21.0°C | 6.3°C | 61 mm | 78% | 5.3 m/s | 2.7 |
| 2015 | 14.0°C | 11.5°C | 8.9°C | 16.7°C | 5.8°C | 23 mm | 77% | 4.9 m/s | 2.8 |
| 2014 | 14.5°C | 11.9°C | 9.4°C | 17.4°C | 6.7°C | 44 mm | 80% | 5.4 m/s | 2.8 |
| 2013 | 15.0°C | 12.6°C | 10.1°C | 17.8°C | 7.8°C | 66 mm | 80% | 4.9 m/s | 2.8 |
| 2012 | 14.2°C | 11.6°C | 9.0°C | 16.6°C | 6.2°C | 32 mm | 80% | 4 m/s | 2.9 |
| 2011 | 14.9°C | 12.3°C | 9.6°C | 19.4°C | 6.4°C | 36 mm | 76% | 4.4 m/s | 2.8 |
| 2010 | 14.5°C | 11.9°C | 9.3°C | 16.1°C | 6.9°C | 35 mm | 79% | 4 m/s | 3 |
| 2009 | 15.2°C | 12.7°C | 10.2°C | 18.9°C | 7.0°C | 43 mm | 79% | 5.5 m/s | 2.8 |
| 2008 | 14.5°C | 11.9°C | 9.4°C | 18.1°C | 5.6°C | 46 mm | 76% | 5.6 m/s | 2.8 |
| 2007 | 14.6°C | 12.0°C | 9.4°C | 18.8°C | 6.3°C | 32 mm | 77% | 4.9 m/s | 2.9 |
| 2006 | 14.2°C | 11.4°C | 8.7°C | 19.1°C | 5.5°C | 46 mm | 79% | 4.9 m/s | 2.6 |
| 2005 | 15.0°C | 12.3°C | 9.6°C | 19.1°C | 6.0°C | 33 mm | 78% | 4.1 m/s | 2.7 |
| 2004 | 14.5°C | 12.0°C | 9.5°C | 19.4°C | 6.7°C | 52 mm | 78% | 4.8 m/s | 2.6 |
| 2003 | 15.1°C | 12.1°C | 9.1°C | 19.1°C | 6.5°C | 29 mm | 76% | 5 m/s | 3.1 |
| 2002 | 15.9°C | 12.7°C | 9.5°C | 20.9°C | 6.9°C | 39 mm | 75% | 5.5 m/s | 2.8 |
| 2001 | 14.9°C | 12.4°C | 9.8°C | 19.2°C | 8.5°C | 38 mm | 79% | 3.7 m/s | 2.7 |
| 2000 | 15.0°C | 12.3°C | 9.5°C | 19.5°C | 7.4°C | 43 mm | 77% | 5.2 m/s | 2.9 |
| 1999 | 15.5°C | 12.6°C | 9.8°C | 19.2°C | 7.6°C | 22 mm | 76% | 4.3 m/s | 2.8 |
| 1998 | 13.7°C | 11.3°C | 8.9°C | 16.7°C | 6.9°C | 44 mm | 76% | 4.6 m/s | 2.7 |
| 1997 | 13.8°C | 10.9°C | 8.0°C | 17.5°C | 6.0°C | 16 mm | 75% | 3.9 m/s | 3 |
| 1996 🌧️ | 14.8°C | 12.4°C | 9.9°C | 20.0°C | 8.3°C | 75 mm | 79% | 5.5 m/s | 2.7 |
| 1995 | 14.0°C | 11.8°C | 9.5°C | 16.1°C | 7.2°C | 69 mm | 77% | 5.9 m/s | 2.6 |
| 1994 | 15.8°C | 12.7°C | 9.5°C | 19.9°C | 8.0°C | 33 mm | 72% | 4.3 m/s | 3.2 |
| 1993 | 14.9°C | 12.4°C | 9.8°C | 19.4°C | 7.8°C | 50 mm | 76% | 5 m/s | 2.8 |
| 1992 | 15.4°C | 12.7°C | 10.1°C | 20.1°C | 8.3°C | 27 mm | 76% | 4.9 m/s | 3 |
| 1991 | 14.7°C | 12.3°C | 10.0°C | 17.8°C | 7.9°C | 46 mm | 78% | 4.5 m/s | 2.8 |
| 1990 | 14.6°C | 12.3°C | 10.1°C | 18.8°C | 8.2°C | 69 mm | 78% | 5.5 m/s | 2.8 |
| 1989 | 13.4°C | 11.3°C | 9.3°C | 17.0°C | 6.6°C | 69 mm | 78% | 5.2 m/s | 2.9 |
| 1988 🔥 | 15.4°C | 12.9°C | 10.3°C | 18.5°C | 7.7°C | 29 mm | 76% | 5.3 m/s | 3 |
| 1987 | 14.4°C | 11.8°C | 9.2°C | 18.3°C | 6.5°C | 51 mm | 77% | 4.9 m/s | 2.7 |
| 1986 | 14.1°C | 11.9°C | 9.6°C | 18.0°C | 5.4°C | 70 mm | 75% | 5.4 m/s | 2.8 |
| 1985 | 15.1°C | 12.5°C | 9.8°C | 21.0°C | 6.6°C | 22 mm | 72% | 4.9 m/s | 2.8 |
| 1984 | 13.6°C | 11.2°C | 8.8°C | 17.0°C | 6.3°C | 58 mm | 79% | 5 m/s | 2.1 |
| 1983 | 13.6°C | 11.2°C | 8.7°C | 15.9°C | 6.3°C | 69 mm | 78% | 5.1 m/s | — |
| 1982 ❄️ | 13.8°C | 10.8°C | 7.7°C | 16.5°C | 4.0°C | 16 mm | 74% | 4 m/s | — |
| 1981 | 15.0°C | 12.2°C | 9.5°C | 18.1°C | 7.6°C | 53 mm | 75% | 5.7 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 14.7°C with lows near 9.4°C (mean 12.1°C), based on 45 years of NASA POWER data.
July averages 42 mm of rainfall in Wallaroo, a relatively wet time of year. The wettest on record was 75 mm in 1996.
The hottest July reached 21°C in 1985. The coldest dipped to 4°C in 1982.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 0.6°C. Daytime highs moved from 14.2°C to 14.9°C and overnight lows from 8.9°C to 9.5°C over the same span.
July is one of the cooler months of the year in Wallaroo and a relatively wet time of year, so plan for around 14.7°C daytime highs and 9.4°C at night.
Yes — July is the coldest month of the year in Wallaroo, averaging 12.1°C.
For July in Wallaroo, pack light layers you can adjust through the day, with typical highs of 14.7°C and lows of 9.4°C.
Relative humidity in July averages 77% — quite humid.
Average wind speed in July is 4.9 m/s. The windiest July on record averaged 5.9 m/s (1995).
The wettest July on record was 1996 with 75 mm. On average, July sees 42 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in Wallaroo behaves each July, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for July specifically, along with year-by-year records and how the month has changed over the decades.